What sizes do plywood sheets come in?

Common boards are 2440×1220 mm (8×4), and Ply Direct can cut to any size you need. Thickness typically ranges from 4–30 mm depending on the material.

How much does a ply sheet cost?

Prices vary by material, thickness and dimensions. Enter your sizes on the product page for a live price or request a quote.

Can I get plywood cut to size?

Yes. Ply Direct offers accurate cutting on professional equipment for clean, splinter-free edges.

How is plywood different from MDF?

Plywood is made from cross-layered veneers for strength and improved moisture performance, while MDF is compressed fibres. Plywood is generally stronger and more moisture resistant.

18mm Birch Plywood Full Board – Smooth, Strong & Versatile

18mm Birch Plywood Full Board delivers serious strength with a clean, high-grade birch face. It’s the go-to choice for furniture, cabinetry, shelves, partitions and other interior builds that need a tough sheet with a crisp finish. Supplied as a full-size board, it gives wide coverage with fewer joins and a professional look.

Key Features

Thick 18mm Birch Core: Excellent rigidity and load-bearing performance
Full Board Supply: Ideal for large panels or cutting multiple parts
Smooth Birch Face: Ready for painting, staining, veneering or laminating
Consistent Construction: Stable, flat panel with reliable screw-holding
CNC-Friendly: Cuts cleanly; exposed edges sand to a neat layered detail

Typical Uses

Cabinets and carcassing, sturdy shelving, wardrobes, desks, worktops (with suitable edging), van and workshop fit-outs, partitions, stage/props and general joinery. For exterior or high-moisture zones, choose a grade specified for those conditions and seal edges appropriately.

Workability & Finishing

Score and cut with sharp carbide blades; pre-drill for fixings. Glue with quality wood adhesives or fix with screws into suitable framing. Lightly sand before coating; seal all cut edges if moisture may be present for best durability.

How to order

Use the full board as-is or cut it down on site. Need pre-cut pieces instead? Order our cut-to-size service.

Explore the Birch Plywood range and other thicknesses.

Need 18mm Birch Plywood Cut to Size? Order made-to-measure panels.

Delivery & Collection information.

Frequently Asked Questions

1. Is 18mm birch plywood suitable for heavy-duty shelves?
Yes. The 18mm Birch Plywood Full Board has excellent stiffness and screw-holding, making it ideal for strong shelving when properly supported.

2. What is the actual thickness—will it be exactly 18mm?
Plywood can vary slightly due to manufacturing tolerances. Expect a small variation around the stated thickness.

3. Can I leave the birch face visible?
Absolutely. The smooth birch veneer finishes beautifully with clear lacquer, oil, paint, laminate or real-wood veneer.

4. Is it OK for bathrooms or kitchens?
Use in dry interiors as standard. For humid rooms, choose a moisture-resistant/exterior-rated specification and seal all cut edges and faces.

5. Can you cut the board to my sizes?
Yes—order 18mm Birch Plywood Cut to Size and we’ll machine it to your measurements and deliver to your door.